American Autowire 1971-73 Ford Mustang Classic Update Kit (AAW510662)

The American Autowire 1971-73 Ford Mustang Classic Update Kit (AAW510662) is a comprehensive, full-vehicle wiring harness designed to modernize the electrical system of your classic car. It replaces the entire factory wiring, from headlights to taillights, and integrates popular aftermarket modifications such as EFI, upgraded gauges, and air conditioning, providing a reliable and professional electrical foundation for your vehicle.

KEY FEATURES AND BENEFITS:

• Complete Wiring Solution: Updated ATO-style fuse panel offers more circuits and modern protection, fitting discreetly behind the glovebox.
• Clearly Labeled GXL Wire: Wires labeled every few inches simplify installation and reduce errors.
• Flexible Routing: Extra-long leads on engine and lighting harnesses accommodate custom routing and a variety of engine/transmission setups.
• Gauge Cluster Disconnect System: Simplifies service for stock or popular aftermarket gauges.
• High-Output Charging Support: 175-amp mega fuse kit with heavy-gauge charge cable supports modern alternators and electrical demands.

SPECIFICATIONS:

• Included Components:
  • Complete vehicle wiring harness
  • ATO-style fuse panel and mounting hardware
  • New headlight switch with 26-amp circuit breaker
  • New floor dimmer switch
  • New windshield wiper/washer switch
  • 175-amp mega fuse kit with 6-gauge charge cable
  • Horn relay
  • Turn signal flasher
  • Hazard flasher
  • Original-replacement connectors and terminals
  • Firewall grommet
  • Under-dash courtesy lamp assemblies
  • Headlight, directional light, park light, and tail lamp sockets

HOW TO USE:

• Preparation: Disconnect the battery and remove the old wiring harness. Label and remove components to be reused.
• Fuse Panel Installation: Mount the new ATO-style fuse panel behind the glovebox using provided brackets and hardware.
• Dash Harness Installation: Install the pre-built dash harness and connect it to the dashboard components and new switches. Use the gauge cluster disconnect system for stock or aftermarket gauges.
• Engine & Front Light Harness Installation: Route through the firewall using the new grommet, connecting to the engine, alternator, headlights, parking lights, and other front components. Utilize extra-long leads for flexible routing.
• Rear Body Harness Installation: Connect to the main harness in the A-pillar area and route to taillights, license plate lamps, fuel tank sender, and dome lights.
• Final Connections: Connect the battery cables and 175-amp mega fuse kit. Verify all grounds are secured, then reconnect the battery.

BENEFITS OF USING AMERICAN AUTOWIRE 1971-73 FORD MUSTANG CLASSIC UPDATE KIT (AAW510662):

• Improved Safety and Reliability: Replaces outdated wiring with a high-quality system capable of handling modern electrical demands.
• Simplified Installation: Labeled wires and detailed instructions make a full rewire accessible to professionals and hobbyists.
• Future-Proofing: Additional circuits allow easy integration of new accessories and modifications without overloading the system.
• OEM-Style Integration: Fits the factory layout while supporting modern upgrades for a clean, professional appearance.
• All-Inclusive Solution: Includes all necessary components, eliminating the need to source individual parts.

FEATURES:

• Designed for all 1971-73 Ford Mustang models, including Mach 1.
• Compatible with modern electronic ignition systems like HEI and MSD.
• Six-way power accessory plug for aftermarket components.
• Separate under-dash courtesy lamp assemblies for proper interior lighting.
• Printed circuit board connector and terminals for stock gauges.
• Rear body wiring with extra-long leads for custom routing.
• Front lighting wires include a switched trigger wire for an electric fan relay.
• Steering column adapter kit for stock and aftermarket columns.
• Pre-mounted horn, turn signal, and hazard relays included.